The Tower Bridge works might be wreaking havoc with traffic, but it's also an opportunity to see the icon laid bare.
These photos, tweeted by @Squarehighways, give us a rare glimpse beneath the road and pedestrian walkways.
The works are only just beginning, so hopefully we'll get more great pictures as they continue. Here's one from the last time the bridge was restored:
For more info on the Tower Bridge works, read this.